Insulated-rail joint.



"Paiented Sept. 2. I902.

a. L. HALL. INSULATED BAIL JOINT.

. (Application filed Apr. 8, 1902.) (No Model.)

WITNESSES:

UNITED AYES INSULATED-RAILJOINT.

SPECIFICATION forming part of Letters Patent No. 708,350, dated September 2, 1.902.

Application filed April 8, 1902. fierial No. 101,867. (No model.)

To all whom it may concern:

Be it known that I, GEORGE L. HALL, a citizen of the United States of America, residing in the borough of Brooklyn, city of New York, county of Kings, and State of New York, have invented certain new and useful Improve ments in Insulated Rail Joints, of which the following is a specification, reference being had therein to the accompanying drawings.

vMy invention relates to joints between adjacent rails of a railway and to the insulation of one rail from the rail adjacent to it; and its object is to provide a more durable joint than has yet been accomplished.

To this end my invention consists of means whereby the rail end from which the train leaves in crossing the joint is insulated from the metal parts of the joint, andthe other rail end is given additional support to receive the blow from the wheel as the train crosses the joint.

It will be understood that my device is mainly applicable to a railway on which the travel is usually in one direction.

I hereinafter describe a rail-joint embodying my invention and then point out the novel features in the claims, having reference to the accompanying drawings, in which similar numerals of reference indicate similar parts throughout the various views, of which Figure 1 is a plan view, partly in section. Fig. 2 is a side view. Fig. 3 is an end view,

partly in section, on the line 3 3 of Fig.1..

Fig. Me a perspective View of a modification. The joint shown is applicable to a railway on which the usual travel is in the direction of right to left.

I 1 is the rail end from which the train leaves Wham crossing the joint, and 1 the other rail en 2 is a rail-chair provided with an upright part or bolt-plate 3, a bridge or supporting plate 4, and a strengthening and spiking rib 5.

6 is insulating material between bridge 4 and the rail end 1, also extending a small distance under rail end 1, and in order tohold same in proper position it is extended up into the upright part thereof 7.

Between the bolt-plate 3, the adjacent insulating material 7, and the rail ends 1 and 1' and extending across the joint is a block of wood or other strengthening and insulating material 8. On the other side of the rail ends and next to them is another block of wood or other strengthening and insulating material 9, also extending across the joint. 10 is a metal band opposite said bolt-plate 3 and outside said block 9 and also extending across the joint, said metal band being separated from the chair, so that insulating material 6 may be removed easily when the same is held in positionby means independent of the joint.

11 represents bolts passing through boltplate 3, upright portion 7 of insulating material 6, block 8, rail ends 1 and 1, block 9, and ,band 10 and adapted to hold the parts in proper relationwith each other.

12 represents insulating thimbles or bushings adapted to insulate in the Well-known manner all of bolts 11 passing through the rail end 1 from both the bolt-plate 3 of the railchair 2 and the band 10. 13 represents washers for the protection of said bushings 12.

14 isinsulating material between the rail ends; but this is unnecessary when the said ends are maintained separate from each other by air-space.

The bridge-plate 4 of rail-chair 2 is thickened at that part thereof underneath the rail end 1, excepting just at the end of said rail 1,under which insulating material 6 extends, as above described. This thickening of the plate 4 at 15 should be the same as the thickness of the insulating material 6, so as to maintain the two ends 1 and 1 level. In Fig. 4 this thickening of the metal is provided for by riveting or otherwise fastening to bridgeplate 4 an additional piece of metallo' of the proper thickness.

17 and'lS are recesses or holes for spiking the chair to the ties.

What I claim, and desire to secure by Letters Patent, is

1. An insulated-rail joint comprising arailchair having a bridge-plate and a bolt-plate, said bridge-plate being provided'with. addi tional metal at one end thereof, insulating material between one of the rail ends and said bridge-plate, a metal band separated from the chair and opposing said bolt-plate and extending across the joint, two insulatingblocks, one between said bolt-plate and the rail ends and the other between said band and the rail ends and both extending across the joint, a plurality of bolts extending through the bolt-plate, insulating-blocks, rail ends, and band, insulating-bushings adapted to insulate every of said bolts passing through the rail end insulated from said bridge-plate from both said bolt-plate and said band, and means of maintaining the rail ends from contact with each other.

2. An insulated-rail joint comprising a railchair having a bridge-plate and a bolt-plate,

said bridge-plate being provided with additional metal at one end thereof, insulating materialbetween one of the rail ends and said bridge-plate, means of holding said insulating material in proper position on said bridgeplate, a metal band separated from the chair and opposing said bolt-plate and extending across the joint, two insulating-blocks, one

between said bolt-plate and the rail ends and the other between said band and the rail ends and both extending across the joint, a plurality of bolts extending through the boltplate, insulating-blocks, rail ends, and band, insulating-bushings adapted toinsulate every of said bolts passing through the rail end insulated from said bridge-plate from both said bolt-plate and said band, and means of maintaining the rail ends from contact with each other.

In witness whereof I hereunto affix my name, in the presence of two witnesses, this 7th day of April, 1902.

GEO. L. HALL.

Witnesses:

H. V. N. PHILIP, J. F. BOUDREAU. 

